(function () {
    var dateAndTimeNow = new Date(),// var dateAndTimeNow = new Date(2014, 5, 15, 6, 7, 5, 1), -> 6:07 ч.
        minutes = dateAndTimeNow.getMinutes(),
        time = '';

    time += dateAndTimeNow.getHours();
    time += ':';

    if (minutes < 10) {
        time += 0;
    }

    time += minutes;

    console.log(time);
}());